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Curtis &Tompkins Ltd <br /> LABORATORY NUMBER: 117519 DATE SAMPLED: 09/15/94 <br /> CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE RECEIVED: 09/16/94 <br /> PROJECT ID: 6-92-5400 DATE ANALYZED: 09/27/94 <br /> LOCATION: CECCHINI DATE REPORTED: 10/11/94 <br /> Total Volatile Hydrocarbons as Gasoline in Aqueous Solutions <br /> California DOHS Method <br /> LUFT Manual October 1989 <br /> LAB ID CLIENT ID TVH AS REPORTING SURROGATE <br /> GASOLINE LIMIT RECOVERIES <br /> (ug/L) (ug/L) TFT BB <br /> --------------------------------------------------------------------------- <br /> 117519-001 UST-1 330 50 84% 90% <br /> 117519-003 DUP 290 50 81% 89% <br /> METHOD BLANK N/A ND 50 87% 109% <br /> TFT = Trifluorotoluene (Limits: 69-120) <br /> BB = Bromobenzene (Limits: 70-122) <br /> ND = Not detected at or above reporting limit. <br /> QA/QC-SUMMARY:-BS/BSD <br /> RPD, % 4 (Limit: <25 ) <br /> RECOVERY► % 95==--(Limit:�75-125)_ <br />